{"id":64271,"date":"2025-05-03T13:47:50","date_gmt":"2025-05-03T05:47:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64271\/"},"modified":"2025-05-03T13:47:50","modified_gmt":"2025-05-03T05:47:50","slug":"java%e6%80%8e%e4%b9%88%e5%9c%a8%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%89%a9%e5%ae%b9-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64271\/","title":{"rendered":"JAVA\u600e\u4e48\u5728\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6269\u5bb9"},"content":{"rendered":"<blockquote><p>\n  java\u4e2d\uff0c\u901a\u8fc7\u521b\u5efa\u65b0\u6570\u7ec4\u3001\u590d\u5236\u539f\u59cb\u5143\u7d20\u3001\u6dfb\u52a0\u65b0\u5143\u7d20\u5e76\u66ff\u6362\u539f\u59cb\u6570\u7ec4\u5f15\u7528\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e8c\u7ef4\u6570\u7ec4\u7684\u6269\u5bb9\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a1. \u521b\u5efa\u65b0\u6570\u7ec4\uff1b2. \u590d\u5236\u539f\u59cb\u5143\u7d20\uff1b3. \u6dfb\u52a0\u65b0\u5143\u7d20\uff1b4. \u66ff\u6362\u539f\u59cb\u6570\u7ec4\u5f15\u7528\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110302364460554.jpg\" class=\"aligncenter\" title=\"JAVA\u600e\u4e48\u5728\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6269\u5bb9\u63d2\u56fe\" alt=\"JAVA\u600e\u4e48\u5728\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6269\u5bb9\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e8c\u7ef4\u6570\u7ec4\u6269\u5bb9<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u662fJava\u4e2d\u7528\u6765\u5b58\u50a8\u4e8c\u7ef4\u6570\u636e\u7684\u7ed3\u6784\u3002\u6709\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5728\u5df2\u521b\u5efa\u7684\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u6dfb\u52a0\u989d\u5916\u7684\u884c\u6216\u5217\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728Java\u4e2d\u6269\u5bb9\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u65b0\u6570\u7ec4<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u5927\u5c0f\u8db3\u4ee5\u5bb9\u7eb3\u539f\u59cb\u6570\u7ec4\u7684\u5185\u5bb9\u548c\u8981\u6dfb\u52a0\u7684\u65b0\u5143\u7d20\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] newArray = new int[numRows + additionalRows][numCols + additionalCols];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>numRows \u548c numCols \u662f\u539f\u59cb\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002<\/li>\n<li>additionalRows \u548c additionalCols \u662f\u8981\u6dfb\u52a0\u7684\u65b0\u884c\u6570\u548c\u65b0\u5217\u6570\u3002<\/li>\n<\/ul>\n<p><strong>2. \u590d\u5236\u539f\u59cb\u5143\u7d20<\/strong><\/p>\n<p>\u5c06\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre>for (int i = 0; i &lt; numRows; i++) {\n    for (int j = 0; j &lt; numCols; j++) {\n        newArray[i][j] = originalArray[i][j];\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u6dfb\u52a0\u65b0\u5143\u7d20<\/strong><\/p>\n<p>\u5728\u590d\u5236\u5b8c\u539f\u59cb\u5143\u7d20\u540e\uff0c\u4f60\u53ef\u4ee5\u5728\u65b0\u6570\u7ec4\u4e2d\u6dfb\u52a0\u4efb\u4f55\u65b0\u5143\u7d20\u3002<\/p>\n<pre>for (int i = numRows; i &lt; numRows + additionalRows; i++) {\n    for (int j = numCols; j &lt; numCols + additionalCols; j++) {\n        newArray[i][j] = newValue; \/\/ \u66ff\u6362\u4e3a\u8981\u6dfb\u52a0\u7684\u65b0\u503c\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u66ff\u6362\u539f\u59cb\u6570\u7ec4<\/strong><\/p>\n<p>\u6700\u540e\uff0c\u5c06\u65b0\u6570\u7ec4\u5206\u914d\u7ed9\u539f\u59cb\u6570\u7ec4\u7684\u5f15\u7528\u3002<\/p>\n<pre>originalArray = newArray;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[][] originalArray = {\n    {1, 2, 3},\n    {4, 5, 6}\n};\n\n\/\/ \u6269\u5bb9\uff0c\u6dfb\u52a0\u4e24\u884c\u4e24\u5217\nint[][] newArray = new int[originalArray.length + 2][originalArray[0].length + 2];\n\n\/\/ \u590d\u5236\u539f\u59cb\u5143\u7d20\nfor (int i = 0; i &lt; originalArray.length; i++) {\n    for (int j = 0; j &lt; originalArray[0].length; j++) {\n        newArray[i][j] = originalArray[i][j];\n    }\n}\n\n\/\/ \u6dfb\u52a0\u65b0\u5143\u7d20\nfor (int i = originalArray.length; i &lt; originalArray.length + 2; i++) {\n    for (int j = originalArray[0].length; j &lt; originalArray[0].length + 2; j++) {\n        newArray[i][j] = 9; \/\/ \u66ff\u6362\u4e3a\u8981\u6dfb\u52a0\u7684\u65b0\u503c\n    }\n}\n\n\/\/ \u66ff\u6362\u539f\u59cb\u6570\u7ec4\noriginalArray = newArray;\n\n\/\/ \u6253\u5370\u6269\u5bb9\u540e\u7684\u6570\u7ec4\nfor (int[] row : originalArray) {\n    for (int element : row) {\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1 2 3 9 9\n4 5 6 9 9\n9 9 9 9 9\n9 9 9 9 9<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u600e\u4e48\u5728\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6269\u5bb9\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u4e2d\uff0c\u901a\u8fc7\u521b\u5efa\u65b0\u6570\u7ec4\u3001\u590d\u5236\u539f\u59cb\u5143\u7d20\u3001\u6dfb\u52a0\u65b0\u5143\u7d20\u5e76\u66ff\u6362\u539f\u59cb\u6570\u7ec4\u5f15\u7528\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e8c\u7ef4\u6570\u7ec4\u7684\u6269\u5bb9\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a1. \u521b\u5efa\u65b0\u6570\u7ec4\uff1b2. \u590d\u5236\u539f\u59cb\u5143\u7d20\uff1b3. \u6dfb\u52a0\u65b0\u5143\u7d20\uff1b4. \u66ff\u6362\u539f\u59cb\u6570\u7ec4\u5f15\u7528\u3002 Java \u4e8c\u7ef4\u6570\u7ec4\u6269\u5bb9 \u4e8c\u7ef4\u6570\u7ec4\u662fJava\u4e2d\u7528\u6765\u5b58\u50a8\u4e8c\u7ef4\u6570\u636e\u7684\u7ed3\u6784\u3002\u6709\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5728\u5df2\u521b\u5efa\u7684\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u6dfb\u52a0\u989d\u5916\u7684\u884c\u6216\u5217\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728Java\u4e2d\u6269\u5bb9\u4e8c\u7ef4\u6570\u7ec4\uff1a 1. \u521b\u5efa\u65b0\u6570\u7ec4 \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u5927\u5c0f\u8db3\u4ee5\u5bb9\u7eb3\u539f\u59cb\u6570\u7ec4\u7684\u5185\u5bb9\u548c\u8981\u6dfb\u52a0\u7684\u65b0\u5143\u7d20\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] newArray = new int[numRows + additionalRows][numCols + additionalCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a numRows \u548c numCols \u662f\u539f\u59cb\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002 additionalRows \u548c additionalCols \u662f\u8981\u6dfb\u52a0\u7684\u65b0\u884c\u6570\u548c\u65b0\u5217\u6570\u3002 2. \u590d\u5236\u539f\u59cb\u5143\u7d20 \u5c06\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002 for (int i = 0; i &lt; numRows; i++) { for (int j = 0; j &lt; numCols; j++) { newArray[i][j] [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64271","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64271"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64271\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}